Better bB music tracker in batari Basic Posted November 16, 2018 Can you post any music binary using your 4 channel technique? Will it play 4 sounds at the same time, or is the 2 extra channels for doing percussion and effects fitting in between notes? Yeah I'm going to try to get a demo rom out soon. It will play 4 notes (sort of) at the same time (Two sounds every other frame). There is a catch though, it take about 14 to 18 variables (18 only if used with sdata).